The National Junior A Championship is a tournament style format to crown the National Junior ‘A’champion of the Canadian Junior Hockey League. Originally named the Centennial Cup and first presented in 1971, it was renamed the RBC (Royal Bank) Cup in 1996. In 2022 it was renamed back to the Centennial Cup. The OJHL has made it the championship game fourteen (14) times and have won the Canadian National Championship seven (7) times and were runner up seven (7) times in it’s history.
Year – OJHL Champions
- 2024 – Collingwood Blues, OJHL
- 2017 – Cobourg Cougars, OJHL
- 2007 – Aurora Tigers, OPJHL
- 2004 – Aurora Tigers, OPJHL
- 1985 – Orillia Travelways, OPJHL
- 1983 – North York Rangers, OPJHL
- 1978 – Guelph Holiday Platers, OPJHL
- 1972 – Guelph CMC’s, OPJHL
Year – OJHL Runner Up
- 2022 – Pickering Panthers, OJHL
- 2018 – Wellington Dukes, OJHL
- 1984 – Orillia Travelways, OPJHL
- 1982 – Guelph Plater, OPJHL
- 1981 – Belleville Bulls, OPJHL
- 1980 – North York Rangers, OPJHL
- 1975 – Guelph CMC’s, OPJHL